Office Manager / Executive Assistant Job at Rad AI in San Francisco

At Rad AI, we’re on a mission to transform healthcare with artificial intelligence. Founded by a radiologist, our AI-driven solutions are revolutionizing radiology—saving time, reducing burnout, and improving patient care.

Rad AI has secured over $140M in funding, including a recently oversubscribed Series C ($68M round) led by Transformation Capital, bringing our valuation to $528M. Our investors include Khosla Ventures, World Innovation Lab, Gradient Ventures, Cone Health Ventures, and others—all backing our mission to empower physicians with cutting-edge AI.

Recognized as one of the most promising healthcare AI companies by CB Insights and ranked by Deloitte as the 19th fastest-growing company in North America, we are building AI-powered solutions that make a real impact.

We’re looking for an Office Manager / Executive Assistant to support two members of our executive team while also serving as central point for our growing San Francisco office. In this role, you’ll help create an exceptional onsite experience for both employees and visitors.

Beyond day-to-day office operations, you’ll play a key role in enabling leadership effectiveness and ensuring organizational efficiency. As part of our EA team, you’ll collaborate closely with leaders across the company to manage complex schedules, facilitate meetings, and coordinate logistics for events and large-scale offsites.

What You'll Be Doing:

• Serve as the central contact for the San Francisco office, supporting employees and visitors, managing supplies and inventory, and coordinating small onsite events.
• Plan and execute events, offsites, and onsite gatherings, delivering engaging experiences while staying budget-conscious.
• Build trusted partnerships with executives, their teams, and key stakeholders.
• Anticipate needs, keep a close pulse on organizational priorities to help executives see around corners, and handle sensitive matters with discretion.
• Proactively and accurately manage complex calendars by balancing priorities, minimizing conflicts and context switching, and coordinating agendas and pre-reads.
• Provide daily administrative support including inbox and email management, travel arrangements, expense tracking, and document organization. Attend meetings, capture notes, and follow up on action items.
• Support executives across multiple time zones.
• Facilitate cross-department communication and drive follow-up on key initiatives.
• Take on special projects and contribute to process improvements.

Who We're Looking For:

• SF Bay Area based and available to work from our San Francisco office, daily.
• 5+ years' experience providing administrative support in a corporate setting.
• 3+ years' experience as an Executive Assistant directly supporting senior leadership (VP level and above).
• Documented experience managing complex, high-volume calendars and facilitating meeting logistics for multiple executives.
• Demonstrated proficiency with remote collaboration tools.
• Experience handling confidential information with discretion and maintaining professional standards.
• Strong written and verbal communication skills, with examples of cross-functional collaboration.
• Track record of managing multiple, competing priorities and meeting deadlines in a fast-paced environment.
• Experience with expense tracking, travel arrangements, and document management.
• Ability to support executives in multiple time zones.

Nice to have:

• Prior experience working within a technology startup or high-growth company (highly desirable).
• Proven history of organizing and executing large-scale offsites and events, with the ability to deliver white-glove experiences for executive audiences.
• Documented success in leading project management and improvement initiatives, with a focus on creating seamless processes.
• Passion building and contributing to team culture.
• Previous experience with tools including Slack, Google Workspace, Zoom, Ramp.